Home / 239,589,781,136.10-359,406,764,697.22-78,242,033,531.34

Finding the Fourth Proportional to 239,589,781,136.10, 359,406,764,697.22 and 78,242,033,531.34

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Solution

The fourth proportional to 239,589,781,136.10, 359,406,764,697.22 and 78,242,033,531.34 is: 117,370,265,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,589,781,136.10 : 359,406,764,697.22 = 78,242,033,531.34 : x
  2. Step 2: Convert to fraction form
    239,589,781,136.10/359,406,764,697.22 = 78,242,033,531.34/x
  3. Step 3: Cross multiply
    239,589,781,136.10x = 359,406,764,697.22 × 78,242,033,531.34
  4. Step 4: Simplify right side
    239,589,781,136.10x = 28,120,716,134,830,309,376,000
  5. Step 5: Solve for x
    x = 28,120,716,134,830,309,376,000/239,589,781,136.10
  6. Step 6: Final answer
    x = 117,370,265,131.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.